Various "whistling" noises are heard from the blower motor when it is running, particularly when it is...
Audi technical service bulletin A851319 2035000- for 2012-2014 Audi A6 and 2012-2014 Audi A7.
- Bulletin number
- A851319 2035000-
- Component
- Equipment
- Summary
- Various "whistling" noises are heard from the blower motor when it is running, particularly when it is running at lower fan speeds. The noises may be intermittent, and may depend on the outside temperature, the position of the flaps, etc. The noises are subtle, and they may not be heard if the audio system is on or if the vehicle is moving. The noises may be caused by a section of the noise insulation on the heating and air conditioning unit.
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